42500511 has 16 divisors (see below), whose sum is σ = 66278400. Its totient is φ = 26842104.

The previous prime is 42500503. The next prime is 42500519. The reversal of 42500511 is 11500524.

It is an interprime number because it is at equal distance from previous prime (42500503) and next prime (42500519).

It is not a de Polignac number, because 42500511 - 2³ = 42500503 is a prime.

It is a super-2 number, since 2×42500511² = 3612586870522242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40911 + ... + 41936.

It is an arithmetic number, because the mean of its divisors is an integer number (4142400).

Almost surely, 2^42500511 is an apocalyptic number.

42500511 is a deficient number, since it is larger than the sum of its proper divisors (23777889).

42500511 is a wasteful number, since it uses less digits than its factorization.

42500511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82875 (or 82869 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 42500511 is about 6519.2415969958. The cubic root of 42500511 is about 348.9780009833.

The spelling of 42500511 in words is "forty-two million, five hundred thousand, five hundred eleven".